1. Jodie Unit4 Global warming Learning about language

2. penguin The Earth Is Becoming Warmer —— but does it matter? Discovering There is no doubt that the earth is becoming warmer. But how has the phenomenon happened? All scientists agree with the view that it is because of human activity. Burning of fossil fuels has caused too much CO 2 in the air and the temperature of the earth tends to increase with ‘greenhouse effect’. But some scientists disagree with the point that lots of CO 2 is bad for the earth. Besides, although people have done something to reduce CO 2, the earth continues to be warm. Nobody knows the effects of global warming in the future. Find out useful words and expressions from the text to replace the underlined words.

3. There is no doubt that the earth is becoming warmer. But how has the phenomenon come about? All scientists subscribe to the view that it is because of human activity. Burning of fossil fuels has resulted in too much CO 2 in the air and the temperature of the earth tends to go up with ‘greenhouse effect’. But some scientists are opposed to the point that quantities of CO 2 are bad for the earth. Besides, even if people have done something to reduce CO 2, the earth keeps on being warm. Nobody knows the effects of global warming in the future. A. be likely to B. take care of sb C. usually happen

4. Global warming is not a random phenomenon but will cause many serious natural ________. (phenomenons /phenomena) The_______ from Charles Keeling show the increase of CO 2 in the atmosphere. (datum, data) phenomenonphenomena pl. data pl. datum phenomena data

5. Burning of fossil fuels has resulted in too much CO 2 in the air. result in result from as a result as a result of because of cause therefore be caused by Learn words in families

6. Private cars_________ lots of CO 2 in the air. Lots of CO 2 in the air________ private cars. ______________private cars, lots of CO 2 has been put into the air. Private cars put out lots of CO 2. ___________,they do harm to the environment. as a result as a result of result in result from Co2 result in results from As a result of As a result

7. Quantities of CO 2 are bad for the earth. A quantity of CO 2 are bad for the earth. × Quantities of trees ______cut down and a quantity of animals_____ homeless. A. has been; are B. have been; is C. have been; are D. has been; is Lots of CO 2 is bad for the earth. is

8. A.The global warming has________ the loss of our homes. B._________ my friends have been lost. C. I was wondering how the disaster has _________. D. Too much CO 2 in the air has made the temperature of the earth _________. E. Many terrible social ______________ are bad for the environment. F. But it’s a pity that_______ people have taken some actions to protect us, the earth_______ being warm. G. I__________ the point that global warming is a good thing because it has nearly killed me. Penguins are complaining... go up keep on be opposed to result in result from come about quantities of subscribe to even if phenomenon

9. It is on the earth that human beings live. Discovering The Earth Day is on April 22nd. It is on April twenty-second that the Earth Day is. It is human activity that has caused global warming. It is human beings who have caused global warming.

10. global warming penguin homeless it is…that (who)…

11. Pair-work This is a penguin who survived the disaster. He suddenly met a boy, John. P: Hi, boy. Do you know that________________________. （正是你们人类让我无家可归） J: Really? I ______________ （反对） your idea. P: You should know_______________________________ ________________. ( 大量的二氧化碳导致全球变暖） Besides, it ________ （继续） warming. J: Oh, I’m sorry to hear that the temperature has_____ （上升） and it ______ （易于） cause many serious natural _______ （现象）.Now I ________ （赞同） your view and I know I should help you, ________ （尽管） it’s difficult. P: A good boy! it is you humans that have made me homeless am opposed to quantities of CO2 result in global warming keeps on gone up tends to phenomena subscribe to even if

12. There is enough in the world for everyone’s need, but not enough for everyone’s greed.

13. Help John finish a poster to show the causes and effects of global warming and appeal to people to protect the earth. (around 100 words) Useful words and expressions Writing phenomenon tend come about quantities of result in go up even if keep on subscribe to be opposed to it is…that(who)… Global warming -----Please help these penguins! The earth is becoming warmer and it is threatening penguins' life! Do you know the causes of global warming? There is no doubt that____________________________________ ________________________________________________ _______________________________________________. However, as for the effects of global warming, scientists have different ideas. On the one hand, ________________ ___________________________________.On the other hand, __________________________________________________. Anyway, lots of penguins have died because of global warming. So it is our duty to do something for the earth.

14. Finish the poster for John. Review the key words and expressions we learned today. Assignment